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We’ve had some requests for ideas about how to make prettier network graphs, so here is one example, using the sna package for plotting, and the igraph package to calculate PageRank.
The network being plotted is a very small subset of the isDotR Twitter account ego network, hence isDotR’s high centrality. The key point is that there are a lot of ways to move beyond the igraph default aesthetic, and make a two-dimensional graph layout with many dimensions encoded into it.